Tailoring magnetism in CoNi films with perpendicular anisotropy by ion irradiation

Tailoring magnetism in CoNi films with perpendicular anisotropy by ion irradiation
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通过离子辐照调整具有垂直各向异性的 CoNi 薄膜中的磁性

DOI:
10.1063/1.2838228
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发表时间:
2008
影响因子:
3.2
通讯作者:
E. Fullerton
E. Fullerton
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
D. Stanescu;D. Ravelosona;V. Mathet;C. Chappert;Y. Samson;C. Beigné;N. Vernier;J. Ferré;J. Giérak;E. Bouhris;E. Fullerton

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本文报道了离子辐照对具有垂直磁各向异性(PMA)的Co_(50)Ni多层膜磁性能的影响。这种材料是一个非常有前途的候选人的高密度自旋电子应用,因为它具有高极化和低阻尼参数。我们表明,PMA可以定制在一个可控的方式,通过使用均匀的He+离子照射或聚焦Ga+离子束。
This paper reports on the influence of ion irradiation on the magnetic properties of Co∕Ni multilayers with perpendicular magnetic anisotropy (PMA). This material is a very promising candidate for ultrahigh density spintronic applications since it exhibits high polarization and low damping parameters. We show that PMA can be tailored in a controlled way by using uniform He+ ion irradiation or focused Ga+ ion beam.